MPN:
CSN-550C
Chieftec CSN-550C power supply unit 550 W 20+4 pin ATX PS/2 Black
Released: Not on record
$217.78
from
US · Amazon.com
Updated 2 months ago
Last updated Sep 3, 2026 03:14 UTC
Ratings & price sourced from Amazon.com (United States).
- Wattage
- 550 W
- Efficiency rating
- 80 PLUS Gold
- Depth
- 100 mm
- Width
- 125 mm
- Height
- 64 mm
- Purpose
- PC
- Efficiency
- 90
- ATX version
- 2.3
- Cabling type
- Fully-Modular
1 / 3
Shopping actions
Overview
The Chieftec CSN-550C power supply unit 550 W 20+4 pin ATX PS/2 Black features 550 W output, 80 PLUS 80 PLUS Gold efficiency and a 80 mm fan. Full verified specifications are listed below.
Technical Specifications
Physical
5 SPECS
Depth
100 mm
Width
125 mm
Height
64 mm
Colour
Black
Customs (HS) code
84733020
Power
2 SPECS
Wattage
550 W
Efficiency rating
80 PLUS Gold
Cooling
2 SPECS
Fan size
80
Number of fans
1
General
25 SPECS
Purpose
PC
Efficiency
90
ATX version
2.3
Cabling type
Fully-Modular
Power factor
0.9
Input current
6
AC input voltage
100 - 240
AC input frequency
47 - 63
Combined power (+5V)
90
Combined power (+3.3V)
90
Max output current (+5V)
15
Max output current (-12V)
0.3
Power protection features
Over current,Over voltage,Overheating,Overload,Short circuit,Under voltage
Max output current (+12V1)
45.8
Max output current (+3.3V)
18
Max output current (+5Vsb)
3
Motherboard power connector
20+4 pin ATX
Floppy drive power connector
1
CPU power connector (4+4 pin)
Yes
ATX power connector (20+4 pin)
Yes
Number of SATA power connectors
4
Power Factor Correction (PFC) type
Active
Power supply unit (PSU) form factor
PS/2
PCI Express power connectors (6+2 pin)
2
Peripheral (Molex) power connectors (4-pin)
3
Market Value History
Sources
Product lifecycle
In production
Still listed as on-market by the manufacturer — actively sold and supported.
Lifecycle status is derived from catalog data and is indicative, not a manufacturer support guarantee.
